Expanded class hierarchy of OpenOffCanvasDialogCommand in Drupal 9
- class \Drupal\Core\Ajax\OpenDialogCommand implements CommandInterface, CommandWithAttachedAssetsInterface uses CommandWithAttachedAssetsTrait
- class \Drupal\bootstrap4_modal\Ajax\OpenBootstrap4ModalDialogCommand
- class \Drupal\Core\Ajax\OpenModalDialogCommand
- class \Drupal\Core\Ajax\OpenOffCanvasDialogCommand